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package com.sun.enterprise.server;
import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import java.util.jar.JarFile;
import java.util.jar.Manifest;
import java.util.jar.Attributes;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.sun.logging.LogDomains;
import com.sun.enterprise.server.ManagerFactory;
import com.sun.enterprise.server.ApplicationManager;
import com.sun.enterprise.server.StandAloneConnectorModulesManager;
import com.sun.enterprise.server.StandAloneEJBModulesManager;
import com.sun.enterprise.deployment.autodeploy.AutoDeployConstants;
import com.sun.enterprise.deployment.autodeploy.AutoDeployDirectoryScanner;
/**
* SystemAppScanner takes the system directory and scans the archives based on
* Application-Type specified in the manifest file of archive.
* TargetFileFilter filters the archives based on the targetType and
* Application-Type
* @author Sandhya E
*/
public class SystemAppScanner extends AutoDeployDirectoryScanner {
private String targetType;
public SystemAppScanner(String targetType){
this.targetType = targetType;
}
protected File[] getListOfFiles(File dir, boolean includeSubDir) {
return dir.listFiles(new TargetFileFilter(targetType));
}
}
class TargetFileFilter implements FileFilter{
private static final Logger sLogger= LogDomains.getLogger(LogDomains.CORE_LOGGER);
String targetType = null;
TargetFileFilter(String targetType){
this.targetType = targetType;
}
/**
* Accept method implementation of FileFilter, specific for app/modules,/br>
*its not a directory/br>
*write/read permission is provided </br>
*valid name </br>
*valid type(ear/jar/war/rar etc) </br>
*
*/
public boolean accept(File f){
boolean flag=false;
String name= f.getName();
String fileType = null;
int lastIndex=-1;
if(name !=null && name.length() >0){
lastIndex = name.lastIndexOf('.');
try{
if (lastIndex >= 0)
fileType = name.substring(lastIndex + 1);
if(!f.isDirectory() && f.canRead())
{
name=name.substring(0,lastIndex); //valid name
if(name !=null && name.length() >0)
flag=true;
}
}catch(SecurityException se){
sLogger.log(Level.WARNING, "SecurityException occured while accessing :" +f.getName());
//ignore the file, and lets just not accept its as deployable component file
}catch(Exception e){
sLogger.log(Level.WARNING, "Exception occured while accessing :" +f.getName());
//ignore the file, and lets just not accept its as deployable component file
}
}
if(flag && isApplicableToTarget(f) && !(isRegistered(name,fileType))) {
sLogger.log(Level.FINE,"Selecting file ["+ f.getAbsolutePath()+"] for autodeployment");
return true;
}else
return false;
}
private boolean isApplicableToTarget(File f) {
JarFile j = null;
try{
j = new JarFile(f);
Manifest m = j.getManifest();
Attributes a = m.getMainAttributes();
String appType = a.getValue(Constants.APPLICATION_TYPE);
if(appType == null) appType = Constants.USER;
if(targetType.equals(Constants.TARGET_TYPE_ADMIN)){
if(appType.equals(Constants.SYSTEM_ADMIN) || appType.equals(Constants.SYSTEM_ALL))
return true;
else
return false;
}else if(targetType.equals(Constants.TARGET_TYPE_INSTANCE)){
if(appType.equals(Constants.SYSTEM_INSTANCE) || appType.equals(Constants.SYSTEM_ALL))
return true;
else
return false;
}
return false;
}catch(Exception e) {
sLogger.log(Level.WARNING, "Exception occured while accessing :" +f.getName());
return false;
} finally {
if (j != null) {
try {
j.close();
} catch (IOException ioe) {
sLogger.log(Level.WARNING, "Error closing jar file after checking for autodeploy", ioe);
}
}
}
}
/**
* Checks if an app is registered. Takes the registration
* name and type of the archive
* Type of the archive is ear/war/jar/rar
* @return true if app is registered
**/
private boolean isRegistered(String name, String type)
{
try{
if(type.equals(AutoDeployConstants.EAR_EXTENSION)) {
ApplicationManager amgr =
ManagerFactory.getApplicationManager();
return amgr.isRegistered(name);
}else if(type.equals(AutoDeployConstants.JAR_EXTENSION)) {
StandAloneEJBModulesManager emgr =
ManagerFactory.getSAEJBModulesManager();
return emgr.isRegistered(name);
}else if(type.equals(AutoDeployConstants.RAR_EXTENSION)) {
StandAloneConnectorModulesManager cmgr =
ManagerFactory.getSAConnectorModulesManager();
return cmgr.isRegistered(name);
}else if(type.equals(AutoDeployConstants.WAR_EXTENSION)) {
}
}catch(Exception e){
sLogger.log(Level.FINE, "error_occured_in_isreg",e);
}
return false;
}
}
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